Yes, shocks ae valved differently, position "1" on the LS is the same as "5" on the regular Boss.
Here's the other differences.
2012 BOSS 302
Front 34.6x4.4 tubular stabilizer bar Spring Rate 26
Rear 25-mm stabilizer bar Spring Rate 32.5
2012 BOSS 302 LAGUNA SECA
Front 34.6x4.4 tubular stabilizer bar Spring Rate 24
Rear 26-mm stabilizer bar Spring Rate 33.5
Those numbers are WRONG. The front springs are stiffer than the rears.
Dean from Rehagen says "I have not seen the specs you're talking about, but the front rates should be close to double the rear. The Boss 302S car is going to be something close to 500 front, 325 rear."
"I say that Ford mixed up the spring rates in the Boss supplement. 26nm is 148pound/inch which is slightly higher than 142pounds/inch of the stock rear and far less than the stock front. 32.4nm converts to 185 pounds/inch which is slightly higher than the stock front 165pounds/inch. For the LS they lowered the rear to 24nm or 137pounds/inch which is even less than stock. But raised the front to 33.5nm or 181pounds/inch. Swapping heavier springs to back makes no sense and is not what they did."
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